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\begin{IEEEbiography}[{\includegraphics[width=1in,height=1.25in,clip,keepaspectratio]{ayala}}]{Ayala, Ricardo}
Has a bachelor degree in Electronics and Computer Systems from ITESM
campus Querétaro. He has over 10 years of working experience on IT and
C programming, and currently works as a software developer for Oracle
Corporation in Guadalajara México. He belongs to the Oracle Database
Sustaining Engineering Group at Oracle MDC, and specializes in
Parallel Query module. 
\end{IEEEbiography}

\begin{IEEEbiography}[{\includegraphics[width=1in,height=1.25in,clip,keepaspectratio]{bahena}}]{Bahena, Darío}
Has a bachelor degree in Computer Science from the UNAM (Faculty of
Sciences). He has over 13 years of experience on IT, and 
has been working in Oracle Corporation since 2010; he is currently located in
Guadalajara México. Darío belongs to the Enterprise Manager (EM) Sustaining
Engineering Group at Oracle MDC, specializing on its Jobs Framework and
Repository module. EM is a product for centralized management and
monitoring of enterprise computing centers; it is mainly
written in Java and PL/SQL.
\end{IEEEbiography}

\begin{IEEEbiography}[{\includegraphics[width=1in,height=1.25in,clip,keepaspectratio]{rodriguez}}]{Rodríguez, Luis}
Has a bachelor degree in Computer Science (System Software) from the
University of 
Guadalajara. Software Engineer with 11+ years of experience, covering
a wide range of areas from Unix to Mainframe systems. Currently a
senior software developer at Oracle, working on a open source project
called Zorba. Zorba is a XQuery interpreter written in C++.
\end{IEEEbiography}

\begin{IEEEbiography}[{\includegraphics[width=1in,height=1.25in,clip,keepaspectratio]{zavaleta}}]{Zavaleta, Ricardo}
Has a bachelor degree in Computer Engineering from UNAM (Engineering
Faculty). He has over 5 years of working experience, focusing 
on Systems Programming (C), and mobile development. He works for
Oracle MDC since 2011, as part of the development team for TimesTen;
a full-featured, in-memory, highly-optimized
RDBMS with persistence and recoverability. 
\end{IEEEbiography} 
